256507218

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1295491}}^1$

素因数の和:1295510

約数の個数: 24

約数和(自身を含む): 606290256

約数和(自身を除く): 349783038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 1295491, 2590982, 3886473, 7772946, 11659419, 14250401, 23318838, 28500802, 42751203, 85502406, 128253609, 256507218]

約数ペア:

[(1, 256507218), (2, 128253609), (3, 85502406), (6, 42751203), (9, 28500802), (11, 23318838), (18, 14250401), (22, 11659419), (33, 7772946), (66, 3886473), (99, 2590982), (198, 1295491)]